Open interest or the dollar amount locked in open SHIB futures contracts has topped $100 million for the first time since February. Investors are again pouring money into meme-focused cryptocurrency Shiba Inu (SHIB) in a sign of caution for bitcoin traders. Open interest in Binance's SHIB futures has more than doubled to $101.65 million this month, hitting the highest since Feb. 5, according to data source Coinglass. SHIB futures are sized at 1000 SHIB per contract with up to 25x leverage.